Commit a46b9639 authored by unknown's avatar unknown

Merge stella.local:/home2/mydev/mysql-5.0-amain

into  stella.local:/home2/mydev/mysql-5.0-axmrg

parents 32f59206 6daa27b1
......@@ -791,8 +791,17 @@ static void setup_key_functions(register MI_KEYDEF *keyinfo)
keyinfo->get_key= _mi_get_pack_key;
if (keyinfo->seg[0].flag & HA_PACK_KEY)
{ /* Prefix compression */
/*
_mi_prefix_search() compares end-space against ASCII blank (' ').
It cannot be used for character sets, that do not encode the
blank character like ASCII does. UCS2 is an example. All
character sets with a fixed width > 1 or a mimimum width > 1
cannot represent blank like ASCII does. In these cases we have
to use _mi_seq_search() for the search.
*/
if (!keyinfo->seg->charset || use_strnxfrm(keyinfo->seg->charset) ||
(keyinfo->seg->flag & HA_NULL_PART))
(keyinfo->seg->flag & HA_NULL_PART) ||
(keyinfo->seg->charset->mbminlen > 1))
keyinfo->bin_search=_mi_seq_search;
else
keyinfo->bin_search=_mi_prefix_search;
......
......@@ -21,4 +21,14 @@ INSERT INTO t1 VALUES('A', 'A'), ('B', 'B'), ('C', 'C');
INSERT INTO t1 VALUES('A ', 'A ');
ERROR 23000: Duplicate entry '' for key 1
DROP TABLE t1;
CREATE TABLE t1 (
c1 CHAR(255) CHARACTER SET UCS2 COLLATE UCS2_BIN NOT NULL,
KEY(c1)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('marshall\'s');
INSERT INTO t1 VALUES ('marsh');
CHECK TABLE t1 EXTENDED;
Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
End of 5.0 tests
......@@ -39,4 +39,17 @@ INSERT INTO t1 VALUES('A', 'A'), ('B', 'B'), ('C', 'C');
INSERT INTO t1 VALUES('A ', 'A ');
DROP TABLE t1;
#
# Bug#32705 - myisam corruption: Key in wrong position
# at page 1024 with ucs2_bin
#
CREATE TABLE t1 (
c1 CHAR(255) CHARACTER SET UCS2 COLLATE UCS2_BIN NOT NULL,
KEY(c1)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('marshall\'s');
INSERT INTO t1 VALUES ('marsh');
CHECK TABLE t1 EXTENDED;
DROP TABLE t1;
--echo End of 5.0 tests
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